Commit 500f7147 authored by Chris Wilson's avatar Chris Wilson
Browse files

drm/i915: Reset state after a GPU reset or resume



Call drm_mode_config_reset() after an invalidation event to restore any
cached state to unknown.
Tested-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
parent eb033556
......@@ -354,6 +354,7 @@ static int i915_drm_thaw(struct drm_device *dev)
error = i915_gem_init_ringbuffer(dev);
mutex_unlock(&dev->struct_mutex);
drm_mode_config_reset(dev);
drm_irq_install(dev);
/* Resume the modeset for every activated CRTC */
......@@ -542,6 +543,7 @@ int i915_reset(struct drm_device *dev, u8 flags)
mutex_unlock(&dev->struct_mutex);
drm_irq_uninstall(dev);
drm_mode_config_reset(dev);
drm_irq_install(dev);
mutex_lock(&dev->struct_mutex);
}
......
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